Question
According to the table, find the relative frequency of students ages 14 - 17 who skip breakfast.
- About 27%
- About 35%
- About 15%
- About 30%
Hint:
Data is a collection of information, which can be presented in many forms. One of them is tabular form in which data can be analysed and it helps to understand the data. Here, we have to find the percentage/ relative frequency using the data given in the table.
The correct answer is: About 27%
In the question there is given a table using which we have to find the relative frequency of students ages 14-17 who skip breakfast.
According to the given table,
Total number of students= 90
Number of students ages 14-17 who skip their meals= 24
Relative frequency=
Here, sum of all frequencies= 90
Frequency= 24
Relative frequency=
= 0.2667
It can also be written as = 26.67
So, the relative frequency of students ages 14-17 who skip breakfast is about 27%.
Therefore the correct option is a, i.e., 27%.
Relative frequency represents the number of times an event has occurred. It can be determined using the formula .
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